Toilet tank fill valve



FIG. 1 is a perspective view of a toilet tank fill valve, showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front elevational view thereof, showing the telescopic pipe in a raised position to adjust the water level. 

The ornamental design for a toilet tank fill valve, as shown and described. 